Diet History Questionnaire Ii
The c dhq ii that queries intake for the past year is the standard version of the canadian diet history questionnaire.
Diet history questionnaire ii. Any data run through diet calc before this time will need to be rerun for the purpose of calculating hei scores. A guess is better than leaving a blank. A guess is use only a. You may modify or add formats by editing the questionnaire data dictionary.
Do not make stray marks on this form. C dhq ii forms and diet calc files. Diet history questionnaire ii. The diet history questionnaire dhq is a freely available food frequency questionnaire ffq developed by staff at the risk factor assessment branch rfab.
Diet history questionnaire. Canadian diet history questionnaire ii. The dhq ii that queries intake for the past year and includes portion size is the standard version of the nci s diet history questionnaire for canada for which there are related validation data. An hei score for each participant can be calculated using dhq ii diet calc output using the sas program provided below.
Use only a black ball point pen. There are however four different versions available for use described below. It can be used by researchers clinicians or teachers without permission. Modifications to the original us dhq ii were made by a coalition of canadian investigators from academia government and research.
Estimate if you are not sure. Erase completely if you make any changes. 0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 r867 99d omb no. Diet history questionnaire ii adapted for canada from the national institutes of health diet history questionnaire ii general instructions answer each question as best you can.
Background a canadian diet history questionnaire ii c dhq ii is also freely available for use by researchers clinicians and teachers. Estimate if you are not sure. The diet history questionnaire ii dhq ii is a freely available food frequency questionnaire ffq for use by researchers clinicians or educators to assess food and dietary supplement intakes. Frequency formats egrp dccps nci nih covid 19 is an emerging rapidly evolving situation.
Both versions are available in english and french. If you. Be certain to completely blacken in each of the answers. Project first diet history questionnaire.
The canadian version of dhq ii is still available but there is a newer u s. There is also a version that queries intake for the past month.